Source: doc.rust-lang.org (std library reference) · crates.io database dump, 2026-07-25 (crates directory)Contact
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All 305,250 crates, alphabetically

Data as of 2026-07-25 (crates.io database dump, timestamp 2026-07-25T02:00:36Z). Source: crates.io · db-dump.tar.gz · methodology & corrections.

kigumi-runtimeReusable migrate/serve wiring for Kigumi adopter binaries: the ensure chain, module install, admin bootstrap, background workers,…19MIT OR Apache-2.0 kigumi-schemaProjections from a resolved Kigumi model: Postgres DDL and agnostic UI contract (JSON)118MIT OR Apache-2.0 kigumi-serverHeadless HTTP server (axum): serves the OpenAPI spec, model list, and UI contracts from a model set42MIT OR Apache-2.0 kigumi-storageContent-addressed blob storage (sha256-keyed, deduplicated, immutable) behind a trait53MIT OR Apache-2.0 kigumi-testKigumi integration-test kit: fast fingerprinted database reset + shared fixtures19MIT OR Apache-2.0 kiiSystem level helper functions that I tend to use a lot! This is a collection of things that Rust either doesn't do natively or…3,208MIT kiibohd-core-ffiFFI package for kiibohd-core1,629MIT OR Apache-2.0 kiibohd-hall-effectAnalysis crate for intepreting hall-effect keyboard switches (e.g. Silo Switches)8,808MIT OR Apache-2.0Embedded developmentHardware support kiibohd-hall-effect-keyscanningHall Effect keyscanning for strobed matrices7,363MIT OR Apache-2.0Embedded developmentNo standard library kiibohd-hid-ioHID-IO protocol implementation for the C kiibohd firmware.11,286MIT OR Apache-2.0Embedded developmentNo standard library kiibohd-hid-io-ffiFFI HID-IO protocol implementation for the C kiibohd firmware. Device Cortex-M implementation2,348MIT OR Apache-2.0 kiibohd-keyscanningKiibohd gpio keyscanning module for momentary push button switches (keyboards)8,602MIT OR Apache-2.0Embedded developmentHardware support kiibohd-logBasic log wrapper for the kiibohd project. Supports multiple backends (e.g. rtt, semi-hosting).1,695MIT OR Apache-2.0Embedded developmentHardware support kiibohd-usbKiibohd USB HID Interface10,421MIT OR Apache-2.0Embedded developmentHardware support kiistorA small utility for loading game keys in/out of a PostgreSQL database4,152non-standard kiitermA game engine for ANSI terminals using Termion as a framework!1,647MIT kijetesantakaluotokienikijetesantakalu toki pi ken ante mute (toki pona cowsay clone)2,847non-standardCommand line utilitiesGames kikwaiting for a takedown notice :P2,192BSD-2-Clause kik_sync_serviceA synchronous threading worker channel for generating the results you want with the data you need.5,956MITConcurrencyEmbedded development kikiA minimalist parser generator for Rust.16,686MITParsing tools kiki-desktop-announcerKiki — your custom desktop announcer. Local TTS, flexible personalities, and a voice that won't be ignored.18MIT kiki-sassy-desktop-announcerKiki — the sassy desktop announcer that refuses to be ignored.19MIT kikiutilsA utility library to simplify Rust development.7,933MITDevelopment tools kiksuyaName reserved for the upcoming rebrand of tokensave, a local-first code-graph + project-memory MCP server for AI coding agents.18MIT kikuKiku (聞く, to listen) — minimal transcription engine: local whisper.cpp or cloud STT via OpenRouter34MITAPI bindingsMultimedia::Audio kilacARCHIVED PROJECT8,506non-standard kilarA powerful CLI tool for managing port processes - quickly find and terminate processes using specific ports1,386MITCommand line utilitiesDevelopment tools kill-desktopWait politetly for graphical applications to exit10,656MIT OR Apache-2.0GUIOperating systems kill-on-broken-pipeExperimental fix to the Rust SIGPIPE problem.788Unlicense kill-them-allA 'Path Of Exile' super lite 2D game.616MIT kill_portTerminate processes by port cross-platform. 跨平台高效终止端口进程工具。1,365MulanPSL-2.0AsynchronousCommand line utilities kill_tree🌳 Kill Tree is a library designed to terminate a specified process and all its child processes recursively, operating…503,379MIT killable_threadA wrapper for thread that allows it to be easily stopped cooperatively2,049MIT killerA Rust security platform: static analysis, the .klr test language, a parallel test framework, project intelligence, code review,…24Apache-2.0Command line utilitiesDevelopment tools killjoyMonitor systemd units.4,709GPL-3.0-or-laterCommand line utilities killjoy-notifier-logfileLog unit state changes on behalf of killjoy.4,608GPL-3.0-or-laterCommand line utilities killjoy-notifier-notificationGenerate desktop notifications on behalf of killjoy.4,671GPL-3.0-or-laterCommand line utilities killjoy-notifier-slackSend slack messages about unit state changes on behalf of killjoy.6,528GPL-3.0-or-laterCommand line utilities killmyargvas WIP, Ending your life with implementation-defined behavior869MITOperating systems killpA simple CLI tool to kill processes running on specified ports on Linux and macOS1,384MITCommand line utilities killportA command-line tool to easily kill processes and containers running on a specified port.102,095MITCommand line utilities killport-tuiA TUI tool to view ports and kill processes.136MITCommand line utilitiesVisualization killportsKill ports with a single command1,480MIT killswitchKillswitch used to broadcast a shutdown request.12,6220BSDAsynchronous killswitch_stdA thread-safe kill switch using only the standard library6,034MIT kilnA library-only relational database7,451GPL-3.0 kiln-cacheContent-addressed caching (BLAKE3) for kiln127Apache-2.0 OR MITDevelopment tools::Build Utils kiln-cliCommand-line interface for kiln46Apache-2.0 OR MITDevelopment tools::Build Utils kiln-coreCore types, planner, and validation for kiln pipelines163Apache-2.0 OR MITDevelopment tools::Build Utils kiln-execHermetic execution engine for kiln pipelines85Apache-2.0 OR MITDevelopment tools::Build Utils kiln-runtimeHermetic, content-addressed, parallel task execution (facade over kiln-core / kiln-cache / kiln-exec)37Apache-2.0 OR MITDevelopment tools::Build Utils kiln-svThe `kiln` binary: a Cargo-style CLI for SystemVerilog.227MIT OR Apache-2.0 kiln-sv-buildBuild pipeline and Verilator backend for kiln.515MIT OR Apache-2.0 kiln-sv-coreManifest, project model, and shared error types for kiln.741MIT OR Apache-2.0 kiln-sv-depsDependency resolution for kiln. Wraps bender as a subprocess.385MIT OR Apache-2.0 kiln-sv-docDocumentation generation for kiln. Combines slang's AST with source-level doc comments.307MIT OR Apache-2.0 kiln-sv-fmtFormatting for kiln. Wraps verible-verilog-format.313MIT OR Apache-2.0 kiln-sv-lintLinting for kiln. Drives slang-rs.309MIT OR Apache-2.0 kiln-sv-testTest discovery and runner for kiln.315MIT OR Apache-2.0 kiln-sv-waveSurfer waveform integration for kiln.304MIT OR Apache-2.0 kilnfi_connect_rsA Rust API Client for the Kiln Connect API3,911BUSL-1.1API bindingsWeb programming kilnworksPlaceholder for the Kilnworks audio CLI suite (by Airclay).18Apache-2.0 kiloKilo is a small, fast utility crate/library for manipulating strings and generating sourcemaps with all in Magic 🪄1,225MITAccessibilityParser implementations kilobytesWorking with kilobytes of data298MIT kilowattkilowatt makes it easy to build energy aware applications7,599MIT kilt-api-clientKILT API Client1,640non-standard kim777hello crates.io1,547MIT OR Apache-2.0 kim_say_helloex lib60Apache-2.0 kimageA simple image upload and serve service4,395MIT kimagerLogs the existence of container images in a Kubernetes cluster.1,667Apache-2.0Command-line interfaceDevelopment tools kimai-timerSeriously Simple Time Tracker72MITCommand line utilities kimai_client_libJSON API for the Kimai time-tracking software. Read our [API documentation](https://www.kimai.org/documentation/rest-api.html)…659MITAPI bindingsWeb programming::HTTP client kimariUniversal DSL for writing rules against the context in Rust.1,551MIT kimari-deriveUniversal DSL for writing rules against the context in Rust.2,039MIT kimberliteKimberlite - Compliance-native database for regulated industries484Apache-2.0 kimberlite-abacAttribute-Based Access Control (ABAC) for Kimberlite429Apache-2.0 kimberlite-agent-protocolAgent protocol types for Kimberlite cluster management166Apache-2.0 kimberlite-clientKimberlite RPC client332Apache-2.0 kimberlite-complianceCompliance reporting and verification for Kimberlite420Apache-2.0CryptographyDatabase interfaces kimberlite-configConfiguration management for Kimberlite166Apache-2.0 kimberlite-cryptoCryptographic primitives for Kimberlite1,243Apache-2.0 kimberlite-directoryPlacement routing for Kimberlite575Apache-2.0 kimberlite-event-sourcingEvent-sourcing toolkit for Kimberlite aggregates (replay + command pattern)149Apache-2.0 kimberlite-ioI/O backend abstraction for Kimberlite storage151Apache-2.0 kimberlite-kernelPure functional state machine for Kimberlite669Apache-2.0 kimberlite-mcpKimberlite MCP server for LLM and third-party integrations178Apache-2.0 kimberlite-migrationSchema migration utilities for Kimberlite175Apache-2.0 kimberlite-oracleDuckDB-backed analytical-query oracle for Kimberlite differential testing154Apache-2.0Data structuresDatabase interfaces kimberlite-propertiesAntithesis-style ALWAYS/SOMETIMES/NEVER property annotations for DST925Apache-2.0 kimberlite-querySQL query layer for Kimberlite projections639Apache-2.0 kimberlite-rbacRole-Based Access Control (RBAC) for Kimberlite546Apache-2.0 kimberlite-serverKimberlite server daemon259Apache-2.0 kimberlite-sharingKimberlite secure data sharing and export289Apache-2.0 kimberlite-storageAppend-only segment storage for Kimberlite574Apache-2.0 kimberlite-storePage-based B+tree projection store with MVCC for Kimberlite733Apache-2.0 kimberlite-test-harnessPhase-1 test harness wrapping Kimberlite::open + in-process server behind a builder API122Apache-2.0 kimberlite-typesCore type definitions for Kimberlite1,537Apache-2.0 kimberlite-vsrViewstamped Replication consensus for Kimberlite369Apache-2.0 kimberlite-wireBinary wire protocol for Kimberlite457Apache-2.0 kimenName reservation. 鬼面 (kimen) — the audit & control coordinator for agentic sessions. Not yet published; see repository.15non-standard kimennName reservation. 鬼面 (kimenn) — the audit & control coordinator for agentic sessions. Not yet published; see repository.12non-standard kimetsu-agentTransport-neutral agent runtime for kimetsu: tools, prompts, verify-loop, providers (claude_code, anthropic, openai).566MIT OR Apache-2.0Development tools kimetsu-brainProject + user-scope memory, hybrid retrieval (lexical + cosine), ambient context, secret redaction at ingest for kimetsu.662MIT OR Apache-2.0Database interfacesDevelopment tools kimetsu-chatInteractive REPL chat client + MCP sidecar + cross-harness bridge for kimetsu. Installs into Claude Code and Codex as a…487MIT OR Apache-2.0Command line utilitiesDevelopment tools kimetsu-cliTop-level `kimetsu` binary: chat client, MCP sidecar, bridge for Claude Code / Codex, brain admin tools, doctor.393MIT OR Apache-2.0Command line utilitiesDevelopment tools kimetsu-coreShared core types (config, events, ids, paths, memory kinds) for the kimetsu agent runtime + brain.732MIT OR Apache-2.0Development tools kimitodo24MIT kimi-expert-analyzerExpert analysis tool for Kimi-K2 to Rust-WASM conversion449MIT OR Apache-2.0AlgorithmsScience kimi-fann-coreOptimized micro-expert neural architecture for Kimi-K2 WASM conversion with 5-10x performance improvements1,202MIT OR Apache-2.0AlgorithmsScience kimi-wireTyped Rust client for the Kimi Code CLI Wire protocol.393MITCommand line utilitiesNetwork programming kimi25-opensourceAgent swarm orchestrator inspired by Moonshot AI's Kimi K2.5 model. Lightweight toolkit for coordinating autonomous agent swarms…24MITAsynchronousConcurrency kimiyaKimiya — chemistry engine for elements, molecules, reactions, kinetics, and thermochemistry517GPL-3.0-onlyScienceSimulation kimojioA thread-per-core Linux io_uring async runtime optimized for latency.2,270MIT kimojio-macrosKimojio macros1,703MIT kimojio-stackStackful coroutine runtime with structured concurrency93MIT kimojio-stack-grpcgRPC client and server foundations for kimojio-stack35MIT kimojio-stack-httpHTTP client and server foundations for kimojio-stack63MIT kimojio-stack-opentelemetryLow-level OpenTelemetry Protocol export for kimojio-stack18MIT kimojio-stack-storageLow-allocation durable object storage client foundations for kimojio-stack18MIT kimojio-stack-tlsOpenSSL TLS streams for kimojio-stack75MIT kimojio-tlsKimojio OpenSSL integration1,588MIT kimojio-tls-poolRuntime-independent OpenSSL TLS pool18MIT kimonoA terminal style toolkit inspired by CSS for elegant TUIs16,058MIT OR Apache-2.0 kimspectThe missing utility in kubectl to help you inspect container images on your pods and nodes.707MIT OR Apache-2.0Command line utilities kimunCode metrics tool — health score, complexity, duplication, hotspots, ownership484MITCommand line utilitiesDevelopment tools kimun-notesA terminal-based notes application913MIT kimun_coreCore library for the Kimün notes application1,071MIT kimun_server_clientClient for the Kimün RAG server — capability probing, note sync, and hash-diff reconciliation74MIT kinRust-native RPC where traits are the schema (not yet released)19MIT OR Apache-2.0 kinboxA simple kafka inbox607MIT kincaidA word statistics library in Rust7,022MITText processing kincirA Rust message streaming library inspired by Watermill5,227Apache-2.0 kindCostless typed identifiers backed by UUID, with kind readable in serialized versions5,835MITRust patterns kind-checkerType checker for the kind compiler7,354MIT kind-configCollect kind-checked model parameters from the command line11,931MIT kind-deriveDerive generator the kind compiler9,077MIT kind-driverDriver for the kind compiler6,152MIT kind-openaiHighly opinionated OpenAI API wrapper crate. By Kindness Inc.32,867MIT kind-openai-schemaOpenAI schema generation macro public library18,076MIT kind-openai-schema-implOpenAI schema generation macro18,303MIT kind-parserParser for the kind compiler7,323MIT kind-passA lot of compiler passes for the kind compiler7,371MIT kind-queryQuery module for the kind compiler5,033MIT kind-reportReport module for the kind compiler10,483MIT kind-spanDescribes locations for the Kind compiler11,519MIT kind-target-hvmHVM Code generator for the kind compiler7,468MIT kind-target-kdlKDL target for the kind compiler6,857MIT kind-treeSyntatic trees for Kind compiler10,613MIT kind2A pure functional functional language that uses the HVM.76,275MIT kind2sqlConvert binary streams to SQL values / 将二进制流转换为SQL值1,578MulanPSL-2.0 kind_procprocedural macro for the 'kind' crate6,112MITRust patterns kinda-virtual-fsA Rust library to imitate virtual filesystem and use statically linked files30,913GPL-3.0 kindasafeSignal-safe memory reading for x86_64 and aarch64 using naked functions and crash recovery88Apache-2.0No standard libraryOperating systems::Unix APIs kindasafe_initSignal handler initialization for the kindasafe signal-safe memory reading library51Apache-2.0Operating systems::Unix APIs kindaxmlClose-enough, XML-ish annotation parsing with deterministic recovery for LLM output.52MITParsing toolsText processing kindedGenerate enums with same variants, but without data.4,638,663MITData structuresRust patterns kinded_macrosGenerate enums with same variants, but without data.4,617,637MITData structuresRust patterns kindeliaAn efficient, secure cryptocomputer.7,574MIT kindelia_clientAn efficient, secure cryptocomputer.2,158MIT kindelia_commonAn efficient, secure cryptocomputer.8,602MIT kindelia_coreAn efficient, secure cryptocomputer.3,291MIT kindelia_langAn efficient, secure cryptocomputer.6,990MIT kindelia_serverAn efficient, secure cryptocomputer.2,161MIT kindelia_wsAn efficient, secure cryptocomputer.2,157MIT kinderKinder is a small crate which adds an algebraic structure to common Rust structs and emulates higher order types7,935non-standard kindergartenAsync child process manager1,544MIT kinderrorAn io::Error style kind Error derive macro69MIT kindestCostless typed identifiers backed by UUID, with kind readable in serialized versions1,176MITRust patterns kindest_procprocedural macro for the 'kindest' crate1,377MITRust patterns kindiCryptographic evidence hunter for embedded firmware and software supply chains. SIMD Aho-Corasick, Rayon parallel, 33-175x…37Apache-2.0Command line utilitiesCryptography kindleA continually self-training RL agent that starts from a cold network and kindles its own intelligence from environment-agnostic…20MIT kindle-screensaverA library for converting images to kindle-compatible screensavers733MITMultimedia::Images kindle2cbzSimple tool for extracting images from kindle books in MOBI format to CBZ archives.1,237MIT AND Apache-2.0 kindle_epub_converterLibrary to sanitize epubs for kindles108MPL-2.0 kindle_formatsFile formats used in the Amazon Kindle ecosystem.5,488GPL-3.0 kindle_highlightsConvert Bookcision Kindle highlight exports to SQLite.2,971Apache-2.0 kindleccConvert CBZ manga and comics to MOBI for Kindle33GPL-3.0-or-laterCommand line utilities kindleclipCLI tool to export a file per book in kindle 'My Clippings.txt'8,070GPL-3.0-only kindlingFramework for building e-ink smart displays with Kindles9,618MIT kindling-clientDaemon-backed Rust SDK for kindling, a local-first memory engine for AI-assisted development.7,808Apache-2.0API bindingsDevelopment tools kindling-mobiKindle MOBI/AZW3 builder for dictionaries, books, and comics. Drop-in kindlegen replacement.555MITCommand line utilitiesEncoding kindling-providerDeterministic local retrieval provider for kindling memory using SQLite FTS.7,758Apache-2.0Development tools kindling-runtimeAnvil-first integration facade for kindling: one dependency bundling daemon startup, client wiring, and durable emit.17Apache-2.0API bindingsDevelopment tools kindling-serverLocal daemon runtime for kindling memory, exposed over a project-aware local API.7,720Apache-2.0Development tools kindling-serviceIn-process orchestration layer for kindling memory: capsules, observations, retrieval and pins.7,741Apache-2.0Development tools kindling-storeSQLite persistence layer for kindling, including capsules, observations, summaries, pins and FTS indexes.7,775Apache-2.0Database interfacesDevelopment tools kindling-typesShared domain types for kindling: observations, capsules, summaries, pins and retrieval results.7,900Apache-2.0Data structuresDevelopment tools kindlyReserved for KindlyGuard project462Apache-2.0 kindly-guardSecurity-focused MCP server for AI protection - the actual KindlyGuard server854Apache-2.0Command line utilitiesNetwork programming kindly-guard-cliCommand-line security scanner and monitoring tool for threat detection1,564Apache-2.0Command line utilitiesSecurity kindly-guard-serverKindlyGuard MCP server - Enterprise-grade security for AI model interactions3,002Apache-2.0Command line utilitiesNetwork programming kindly-secReserved for KindlyGuard project464Apache-2.0 kindly-shieldReserved for KindlyGuard project465Apache-2.0 kindly-toolsDevelopment tools and utilities for KindlyGuard ecosystem482Apache-2.0 kindlyaudioHigh-performance audio control application with standard and premium editions853MIT OR Apache-2.0GUIMultimedia::Audio kindlyguardSecurity-focused MCP server for AI protection - unified package providing both server and CLI functionality1,576Apache-2.0Command line utilitiesNetwork programming kindnessMethods for returning random elements from an iterator.4,806MIT kindraCLI for managing stacked Git branches and related review workflows22MITCommand line utilitiesDevelopment tools kindredA typed, git-backed knowledge base co-curated by agents and humans: the agent proposes, you accept, every commit validates…162MIT OR Apache-2.0Command line utilities kindred-agent-idSelf-custody DID + capability VC profile for AI agents (Rust port of @p-vbordei/agent-id)19Apache-2.0AuthenticationCryptography